import Vue from 'vue'
import VueRouter from 'vue-router'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'

Vue.use(VueRouter)

const routes = [

  {
    path: '/home',
    component: () => import('../components/Home.vue'),
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: () => import('../components/Welcome.vue') }, 
      { path: '/users', component: Users }, 
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: () => import('../components/goods/Cate.vue') }, 
      { path: '/params', component: () => import('../components/goods/params.vue') },
      { path: '/goods', component: () => import('../components/goods/List.vue') }, 
      { path: '/goods/add', component: () => import('../components/goods/Add.vue') }, 
      { path: '/orders', component: () => import('../components/order/Order.vue') }, 
      { path: '/reports', component: () => import('../components/report/Report.vue') },

  ],
  },
  { path: '/', redirect: '/login', },
  { path: '/login', component: () => import('../components/Login.vue'), },
]

const router = new VueRouter({
  routes
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {

  // to将要访问的路径
  // from代表从哪个路径跳转而来
  // next是一个函数,表示放行
  // next() 放行 next('/login') 强制跳转
  if (to.path === '/login') return next()
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
